1. SpeciesNorthern Latitude (degrees) Number of daylight hours per day Sleeping time (hours) European starling69241 House martin68243 European pochard52168 Tufted duck491511 Galapagos penguin01213 Based on the information in the table, which of the following bird species sleeps the greatest number of hours per day at their summer nesting locations?

2. SpeciesNorthern Latitude (degrees) Number of daylight hours per day Sleeping time (hours) European starling69241 House martin68243 European pochard52168 Tufted duck491511 Galapagos penguin01213 Based on the information in the table, the students should conclude that birds sleep less when they receive:

3. Based on the information in the table, as northern latitude decreases, in summer, the number of daylight hours per day generally: SpeciesNorthern Latitude (degrees) Number of daylight hours per day Sleeping time (hours) European starling69241 House martin68243 European pochard52168 Tufted duck491511 Galapagos penguin01213

4. Based on the information in the table, which of the following graphs best shows the relationship, in summer, between sleeping time and northern latitude? SpeciesNorthern Latitude (degrees) Number of daylight hours per day Sleeping time (hours) European starling69241 House martin68243 European pochard52168 Tufted duck491511 Galapagos penguin01213 Sleeping time (hours) Northern latitude (degrees) Sleeping time (hours) Northern latitude (degrees) Sleeping time (hours) Northern latitude (degrees) Sleeping time (hours) Northern latitude (degrees) A BC D